3pcs Hex Shank Step Drill Bit Set Black Bearing Steel Step Drill Bit Metal

Label:Yes Cut Quickly and Smoothly: Two flute design drives faster, smoother and cleaner cuts. Each step is clearly labeled with the depth diameter in steps. Scope of Application: High speed steel step drill bit set is very suitable for cutting holes on various materials, including steel, brass, wood, etc. High Speed Steel: Step drill bit set for metal and wood is made from high speed steel material, which is sturdy, durable and has long service life. Drill Good Round Holes: After heat treatment and high polishing, the step drill bit set can drill good round holes in steel, brass, wood, etc. Side Shank Design: The side shanks design in order to reduce slippage when in chuck. Exquisite workmanship, beautiful appearance design.

Item Type: Step Drill Bit Set Material: High Speed Steel Color: As Pictures Shown Weight: Approx. 90g / 3.2oz Color:Black Scope of Application: Thin Iron Plate, Aluminum, Insulation Plate, PVC Plate Cutting, etc. Product Specification: 4-20mm(0.16-0.79in) (4mm(0.16in), 6mm(0.24in), 8mm(0.31in), 10mm(0.39in), 12mm(0.47in), 14mm(0.55in), 16mm(0.63in), 18mm(0.71in), 20mm(0.79in)) 76MM(2.99in) Handle 3-12mm(0.12-0.47in) (3mm(0.12in), 4mm(0.16in), 5mm(0.20in), 6mm(0.24in), 7mm(0.28in), 8mm(0.31in), 9mm(0.35in), 10mm(0.39in), 11mm(0.43in), 12mm(0.47in)) 79MM(3.11in) Handle 4-12mm(0.16-0.47in) (4mm(0.16in), 6mm(0.24in), 8mm(0.31in), 10mm(0.39in), 12mm(0.47in)) 67MM(2.64in) Handle

Package List: 3 x Opening Drill Bit